20248375

素因数分解:

$5^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:412

約数の個数: 32

約数和(自身を含む): 29367936

約数和(自身を除く): 9119561

約数列:

[1, 5, 7, 25, 35, 73, 125, 175, 317, 365, 511, 875, 1585, 1825, 2219, 2555, 7925, 9125, 11095, 12775, 23141, 39625, 55475, 63875, 115705, 161987, 277375, 578525, 809935, 2892625, 4049675, 20248375]

約数ペア:

[(1, 20248375), (5, 4049675), (7, 2892625), (25, 809935), (35, 578525), (73, 277375), (125, 161987), (175, 115705), (317, 63875), (365, 55475), (511, 39625), (875, 23141), (1585, 12775), (1825, 11095), (2219, 9125), (2555, 7925)]